[INFO] fetching crate error-stack 0.6.0...
[INFO] testing error-stack-0.6.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate error-stack 0.6.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate error-stack 0.6.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate error-stack 0.6.0
[INFO] tweaked toml for crates.io crate error-stack 0.6.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate error-stack 0.6.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate error-stack 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: ignoring `public` on dependency anyhow, pass `-Zpublic-dependency` to enable support for it
[INFO] [stderr] warning: ignoring `public` on dependency eyre, pass `-Zpublic-dependency` to enable support for it
[INFO] [stderr] warning: ignoring `public` on dependency futures-core, pass `-Zpublic-dependency` to enable support for it
[INFO] [stderr] warning: ignoring `public` on dependency serde, pass `-Zpublic-dependency` to enable support for it
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded supports-unicode v3.0.0
[INFO] [stderr]   Downloaded serde_spanned v1.0.0
[INFO] [stderr]   Downloaded supports-color v3.0.2
[INFO] [stderr]   Downloaded toml v0.9.2
[INFO] [stderr]   Downloaded is_ci v1.2.0
[INFO] [stderr]   Downloaded indenter v0.3.4
[INFO] [stderr]   Downloaded ansi-to-html v0.2.2
[INFO] [stderr]   Downloaded dissimilar v1.0.10
[INFO] [stderr]   Downloaded trybuild v1.0.106
[INFO] [stderr]   Downloaded eyre v0.6.12
[INFO] [stderr]   Downloaded spin v0.10.0
[INFO] [stderr]   Downloaded insta v1.43.1
[INFO] [stderr]   Downloaded expect-test v1.5.1
[INFO] [stderr]   Downloaded winapi-util v0.1.10
[INFO] [stderr]   Downloaded toml_datetime v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93c4d594be20c9d3ff7c5775efc7ffc8f8c16b78381981b8eebb53a4380e0177
[INFO] running `Command { std: "docker" "start" "-a" "93c4d594be20c9d3ff7c5775efc7ffc8f8c16b78381981b8eebb53a4380e0177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93c4d594be20c9d3ff7c5775efc7ffc8f8c16b78381981b8eebb53a4380e0177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93c4d594be20c9d3ff7c5775efc7ffc8f8c16b78381981b8eebb53a4380e0177", kill_on_drop: false }`
[INFO] [stdout] 93c4d594be20c9d3ff7c5775efc7ffc8f8c16b78381981b8eebb53a4380e0177
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b30c84932aa7929fb79e2493cf9f22a2fef9c611c52a0910e29b107e8bad6569
[INFO] running `Command { std: "docker" "start" "-a" "b30c84932aa7929fb79e2493cf9f22a2fef9c611c52a0910e29b107e8bad6569", kill_on_drop: false }`
[INFO] [stderr] warning: ignoring `public` on dependency anyhow, pass `-Zpublic-dependency` to enable support for it
[INFO] [stderr] warning: ignoring `public` on dependency eyre, pass `-Zpublic-dependency` to enable support for it
[INFO] [stderr] warning: ignoring `public` on dependency futures-core, pass `-Zpublic-dependency` to enable support for it
[INFO] [stderr] warning: ignoring `public` on dependency serde, pass `-Zpublic-dependency` to enable support for it
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling error-stack v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `as_error` is never used
[INFO] [stdout]   --> src/frame/mod.rs:99:19
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Frame {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 99 |     pub(crate) fn as_error(&self) -> &impl Error {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "b30c84932aa7929fb79e2493cf9f22a2fef9c611c52a0910e29b107e8bad6569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b30c84932aa7929fb79e2493cf9f22a2fef9c611c52a0910e29b107e8bad6569", kill_on_drop: false }`
[INFO] [stdout] b30c84932aa7929fb79e2493cf9f22a2fef9c611c52a0910e29b107e8bad6569
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f97d508469b8604e46e8795aace873f76a463756dee5d3a0296387a95b6e9d3a
[INFO] running `Command { std: "docker" "start" "-a" "f97d508469b8604e46e8795aace873f76a463756dee5d3a0296387a95b6e9d3a", kill_on_drop: false }`
[INFO] [stderr] warning: ignoring `public` on dependency anyhow, pass `-Zpublic-dependency` to enable support for it
[INFO] [stderr] warning: ignoring `public` on dependency eyre, pass `-Zpublic-dependency` to enable support for it
[INFO] [stderr] warning: ignoring `public` on dependency futures-core, pass `-Zpublic-dependency` to enable support for it
[INFO] [stderr] warning: ignoring `public` on dependency serde, pass `-Zpublic-dependency` to enable support for it
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling winnow v0.7.12
[INFO] [stderr]    Compiling target-triple v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.141
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling owo-colors v4.2.2
[INFO] [stderr]    Compiling toml_writer v1.0.2
[INFO] [stderr]    Compiling is_ci v1.2.0
[INFO] [stderr]    Compiling dissimilar v1.0.10
[INFO] [stderr]    Compiling similar v2.7.0
[INFO] [stderr]    Compiling supports-unicode v3.0.0
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling supports-color v3.0.2
[INFO] [stdout] warning: method `as_error` is never used
[INFO] [stdout]   --> src/frame/mod.rs:99:19
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Frame {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 99 |     pub(crate) fn as_error(&self) -> &impl Error {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling expect-test v1.5.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling toml_parser v1.0.2
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling ansi-to-html v0.2.2
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling serde_spanned v1.0.0
[INFO] [stderr]    Compiling toml_datetime v0.7.0
[INFO] [stderr]    Compiling ron v0.7.1
[INFO] [stderr]    Compiling toml v0.9.2
[INFO] [stderr]    Compiling insta v1.43.1
[INFO] [stderr]    Compiling trybuild v1.0.106
[INFO] [stderr]    Compiling error-stack v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: use of unstable library feature `error_generic_member_access`
[INFO] [stdout]    --> tests/common.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn provide<'a>(&'a self, request: &mut core::error::Request<'a>) {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #99301 <https://github.com/rust-lang/rust/issues/99301> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `error_generic_member_access`
[INFO] [stdout]    --> tests/common.rs:128:44
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn provide<'a>(&'a self, request: &mut core::error::Request<'a>) {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #99301 <https://github.com/rust-lang/rust/issues/99301> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `error_generic_member_access`
[INFO] [stdout]    --> tests/common.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn provide<'a>(&'a self, request: &mut core::error::Request<'a>) {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #99301 <https://github.com/rust-lang/rust/issues/99301> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `error_generic_member_access`
[INFO] [stdout]    --> tests/common.rs:128:44
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn provide<'a>(&'a self, request: &mut core::error::Request<'a>) {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #99301 <https://github.com/rust-lang/rust/issues/99301> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `error_generic_member_access`
[INFO] [stdout]    --> tests/common.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn provide<'a>(&'a self, request: &mut core::error::Request<'a>) {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #99301 <https://github.com/rust-lang/rust/issues/99301> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `error_generic_member_access`
[INFO] [stdout]    --> tests/common.rs:128:44
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn provide<'a>(&'a self, request: &mut core::error::Request<'a>) {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #99301 <https://github.com/rust-lang/rust/issues/99301> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> examples/parse_config.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct Suggestion(&'static str);
[INFO] [stdout]    |        ---------- ^^^^^^^^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `error_generic_member_access`
[INFO] [stdout]    --> tests/common.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn provide<'a>(&'a self, request: &mut core::error::Request<'a>) {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #99301 <https://github.com/rust-lang/rust/issues/99301> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `error_generic_member_access`
[INFO] [stdout]    --> tests/common.rs:128:44
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn provide<'a>(&'a self, request: &mut core::error::Request<'a>) {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #99301 <https://github.com/rust-lang/rust/issues/99301> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `error_generic_member_access`
[INFO] [stdout]    --> tests/common.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |         request.provide_ref(&self.1);
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #99301 <https://github.com/rust-lang/rust/issues/99301> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `error_generic_member_access`
[INFO] [stdout]    --> tests/common.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn provide<'a>(&'a self, request: &mut core::error::Request<'a>) {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #99301 <https://github.com/rust-lang/rust/issues/99301> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `error_generic_member_access`
[INFO] [stdout]    --> tests/common.rs:128:44
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn provide<'a>(&'a self, request: &mut core::error::Request<'a>) {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #99301 <https://github.com/rust-lang/rust/issues/99301> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `error_generic_member_access`
[INFO] [stdout]    --> tests/common.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |         request.provide_ref(&self.1);
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #99301 <https://github.com/rust-lang/rust/issues/99301> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `error_generic_member_access`
[INFO] [stdout]    --> tests/common.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |         request.provide_ref(&self.1);
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #99301 <https://github.com/rust-lang/rust/issues/99301> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `error_generic_member_access`
[INFO] [stdout]    --> tests/common.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn provide<'a>(&'a self, request: &mut core::error::Request<'a>) {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #99301 <https://github.com/rust-lang/rust/issues/99301> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `error_generic_member_access`
[INFO] [stdout]    --> tests/common.rs:128:44
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn provide<'a>(&'a self, request: &mut core::error::Request<'a>) {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #99301 <https://github.com/rust-lang/rust/issues/99301> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `error-stack` (test "test_backtrace") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0658]: use of unstable library feature `error_generic_member_access`
[INFO] [stdout]    --> tests/common.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn provide<'a>(&'a self, request: &mut core::error::Request<'a>) {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #99301 <https://github.com/rust-lang/rust/issues/99301> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `error_generic_member_access`
[INFO] [stdout]    --> tests/common.rs:128:44
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn provide<'a>(&'a self, request: &mut core::error::Request<'a>) {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #99301 <https://github.com/rust-lang/rust/issues/99301> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `error-stack` (test "test_downcast") due to 3 previous errors
[INFO] [stdout] error[E0658]: use of unstable library feature `error_generic_member_access`
[INFO] [stdout]    --> tests/common.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |         request.provide_ref(&self.1);
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #99301 <https://github.com/rust-lang/rust/issues/99301> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `error_generic_member_access`
[INFO] [stdout]    --> tests/common.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |         request.provide_ref(&self.1);
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #99301 <https://github.com/rust-lang/rust/issues/99301> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `error_generic_member_access`
[INFO] [stdout]    --> tests/common.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |         request.provide_ref(&self.1);
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #99301 <https://github.com/rust-lang/rust/issues/99301> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `error-stack` (test "test_iter") due to 3 previous errors
[INFO] [stderr] error: could not compile `error-stack` (test "test_change_context") due to 3 previous errors
[INFO] [stdout] error[E0658]: use of unstable library feature `error_generic_member_access`
[INFO] [stdout]    --> tests/common.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |         request.provide_ref(&self.1);
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #99301 <https://github.com/rust-lang/rust/issues/99301> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `error-stack` (test "test_debug") due to 3 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `error-stack` (test "test_attach_printable") due to 3 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `error-stack` (test "test_macros") due to 3 previous errors
[INFO] [stdout] warning: method `as_error` is never used
[INFO] [stdout]   --> src/frame/mod.rs:99:19
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Frame {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 99 |     pub(crate) fn as_error(&self) -> &impl Error {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f97d508469b8604e46e8795aace873f76a463756dee5d3a0296387a95b6e9d3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f97d508469b8604e46e8795aace873f76a463756dee5d3a0296387a95b6e9d3a", kill_on_drop: false }`
[INFO] [stdout] f97d508469b8604e46e8795aace873f76a463756dee5d3a0296387a95b6e9d3a
